Home / 51,180.96-76,735.08-19,564.39

Finding the Fourth Proportional to 51,180.96, 76,735.08 and 19,564.39

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Solution

The fourth proportional to 51,180.96, 76,735.08 and 19,564.39 is: 29,332.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,180.96 : 76,735.08 = 19,564.39 : x
  2. Step 2: Convert to fraction form
    51,180.96/76,735.08 = 19,564.39/x
  3. Step 3: Cross multiply
    51,180.96x = 76,735.08 × 19,564.39
  4. Step 4: Simplify right side
    51,180.96x = 1,501,275,031.80
  5. Step 5: Solve for x
    x = 1,501,275,031.80/51,180.96
  6. Step 6: Final answer
    x = 29,332.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.